diff --git a/res/values/styles.xml b/res/values/styles.xml
index 92d1f4a..82df4ec 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -104,6 +104,7 @@
     <style name="DialtactsActivityTheme" parent="DialtactsTheme">
         <item name="android:actionBarStyle">@style/DialtactsActionBarWithoutTitleStyle</item>
         <item name="android:fastScrollThumbDrawable">@drawable/fastscroll_thumb</item>
+        <item name="android:fastScrollTrackDrawable">@null</item>
     </style>
 
     <style name="CallDetailActivityTheme" parent="DialtactsThemeWithoutActionBarOverlay">